13404554325 has 72 divisors (see below), whose sum is σ = 25270653408. Its totient is φ = 7042178880.

The previous prime is 13404554249. The next prime is 13404554341. The reversal of 13404554325 is 52345540431.

13404554325 is a `hidden beast` number, since 13 + 40 + 45 + 543 + 25 = 666.

It is not a de Polignac number, because 13404554325 - 2⁷ = 13404554197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13404554325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 390559 + ... + 423491.

Almost surely, 2^13404554325 is an apocalyptic number.

13404554325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13404554325 is a deficient number, since it is larger than the sum of its proper divisors (11866099083).

13404554325 is an equidigital number, since it uses as much as digits as its factorization.

13404554325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33025 (or 33008 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 13404554325 in words is "thirteen billion, four hundred four million, five hundred fifty-four thousand, three hundred twenty-five".